[5] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | #include "OgreFileSystem.h" |
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| 31 | #include "OgreLogManager.h" |
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| 32 | #include "OgreException.h" |
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| 33 | #include "OgreStringVector.h" |
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| 34 | #include "OgreRoot.h" |
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| 35 | |
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| 36 | #include <sys/types.h> |
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| 37 | #include <sys/stat.h> |
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| 38 | |
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| 39 | #if OGRE_PLATFORM == OGRE_PLATFORM_LINUX || OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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| 40 | # include "OgreSearchOps.h" |
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| 41 | # include <sys/param.h> |
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| 42 | # define MAX_PATH MAXPATHLEN |
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| 43 | #endif |
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| 44 | |
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| 45 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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| 46 | # include <windows.h> |
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| 47 | # include <direct.h> |
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| 48 | # include <io.h> |
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| 49 | #endif |
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| 50 | |
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| 51 | namespace Ogre { |
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| 52 | |
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| 53 | //----------------------------------------------------------------------- |
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| 54 | FileSystemArchive::FileSystemArchive(const String& name, const String& archType ) |
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| 55 | : Archive(name, archType) |
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| 56 | { |
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| 57 | } |
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| 58 | //----------------------------------------------------------------------- |
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| 59 | bool FileSystemArchive::isCaseSensitive(void) const |
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| 60 | { |
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| 61 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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| 62 | return false; |
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| 63 | #else |
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| 64 | return true; |
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| 65 | #endif |
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| 66 | |
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| 67 | } |
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| 68 | //----------------------------------------------------------------------- |
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| 69 | static bool is_reserved_dir (const char *fn) |
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| 70 | { |
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| 71 | return (fn [0] == '.' && (fn [1] == 0 || (fn [1] == '.' && fn [2] == 0))); |
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| 72 | } |
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| 73 | //----------------------------------------------------------------------- |
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| 74 | static bool is_absolute_path(const char* path) |
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| 75 | { |
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| 76 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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| 77 | if (isalpha(uchar(path[0])) && path[1] == ':') |
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| 78 | return true; |
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| 79 | #endif |
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| 80 | return path[0] == '/' || path[0] == '\\'; |
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| 81 | } |
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| 82 | //----------------------------------------------------------------------- |
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| 83 | static String concatenate_path(const String& base, const String& name) |
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| 84 | { |
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| 85 | if (base.empty() || is_absolute_path(name.c_str())) |
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| 86 | return name; |
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| 87 | else |
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| 88 | return base + '/' + name; |
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| 89 | } |
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| 90 | //----------------------------------------------------------------------- |
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| 91 | void FileSystemArchive::findFiles(const String& pattern, bool recursive, |
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| 92 | bool dirs, StringVector* simpleList, FileInfoList* detailList) |
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| 93 | { |
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| 94 | long lHandle, res; |
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| 95 | struct _finddata_t tagData; |
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| 96 | |
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| 97 | // pattern can contain a directory name, separate it from mask |
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| 98 | size_t pos1 = pattern.rfind ('/'); |
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| 99 | size_t pos2 = pattern.rfind ('\\'); |
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| 100 | if (pos1 == pattern.npos || ((pos2 != pattern.npos) && (pos1 < pos2))) |
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| 101 | pos1 = pos2; |
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| 102 | String directory; |
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| 103 | if (pos1 != pattern.npos) |
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| 104 | directory = pattern.substr (0, pos1 + 1); |
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| 105 | |
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| 106 | String full_pattern = concatenate_path(mName, pattern); |
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| 107 | |
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| 108 | lHandle = _findfirst(full_pattern.c_str(), &tagData); |
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| 109 | res = 0; |
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| 110 | while (lHandle != -1 && res != -1) |
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| 111 | { |
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| 112 | if ((dirs == ((tagData.attrib & _A_SUBDIR) != 0)) && |
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| 113 | (!dirs || !is_reserved_dir (tagData.name))) |
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| 114 | { |
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| 115 | if (simpleList) |
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| 116 | { |
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| 117 | simpleList->push_back(directory + tagData.name); |
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| 118 | } |
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| 119 | else if (detailList) |
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| 120 | { |
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| 121 | FileInfo fi; |
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| 122 | fi.archive = this; |
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| 123 | fi.filename = directory + tagData.name; |
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| 124 | fi.basename = tagData.name; |
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| 125 | fi.path = directory; |
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| 126 | fi.compressedSize = tagData.size; |
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| 127 | fi.uncompressedSize = tagData.size; |
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| 128 | detailList->push_back(fi); |
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| 129 | } |
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| 130 | } |
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| 131 | res = _findnext( lHandle, &tagData ); |
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| 132 | } |
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| 133 | // Close if we found any files |
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| 134 | if(lHandle != -1) |
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| 135 | _findclose(lHandle); |
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| 136 | |
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| 137 | // Now find directories |
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| 138 | if (recursive) |
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| 139 | { |
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| 140 | String base_dir = mName; |
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| 141 | if (!directory.empty ()) |
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| 142 | { |
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| 143 | base_dir = concatenate_path(mName, directory); |
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| 144 | // Remove the last '/' |
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| 145 | base_dir.erase (base_dir.length () - 1); |
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| 146 | } |
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| 147 | base_dir.append ("/*"); |
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| 148 | |
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| 149 | // Remove directory name from pattern |
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| 150 | String mask ("/"); |
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| 151 | if (pos1 != pattern.npos) |
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| 152 | mask.append (pattern.substr (pos1 + 1)); |
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| 153 | else |
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| 154 | mask.append (pattern); |
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| 155 | |
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| 156 | lHandle = _findfirst(base_dir.c_str (), &tagData); |
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| 157 | res = 0; |
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| 158 | while (lHandle != -1 && res != -1) |
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| 159 | { |
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| 160 | if ((tagData.attrib & _A_SUBDIR) && |
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| 161 | !is_reserved_dir (tagData.name)) |
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| 162 | { |
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| 163 | // recurse |
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| 164 | base_dir = directory; |
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| 165 | base_dir.append (tagData.name).append (mask); |
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| 166 | findFiles(base_dir, recursive, dirs, simpleList, detailList); |
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| 167 | } |
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| 168 | res = _findnext( lHandle, &tagData ); |
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| 169 | } |
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| 170 | // Close if we found any files |
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| 171 | if(lHandle != -1) |
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| 172 | _findclose(lHandle); |
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| 173 | } |
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| 174 | } |
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| 175 | //----------------------------------------------------------------------- |
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| 176 | FileSystemArchive::~FileSystemArchive() |
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| 177 | { |
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| 178 | unload(); |
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| 179 | } |
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| 180 | //----------------------------------------------------------------------- |
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| 181 | void FileSystemArchive::load() |
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| 182 | { |
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| 183 | // do nothing here, what has to be said will be said later |
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| 184 | } |
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| 185 | //----------------------------------------------------------------------- |
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| 186 | void FileSystemArchive::unload() |
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| 187 | { |
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| 188 | // nothing to see here, move along |
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| 189 | } |
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| 190 | //----------------------------------------------------------------------- |
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| 191 | DataStreamPtr FileSystemArchive::open(const String& filename) const |
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| 192 | { |
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| 193 | String full_path = concatenate_path(mName, filename); |
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| 194 | |
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| 195 | // Use filesystem to determine size |
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| 196 | // (quicker than streaming to the end and back) |
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| 197 | struct stat tagStat; |
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| 198 | int ret = stat(full_path.c_str(), &tagStat); |
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| 199 | assert(ret == 0 && "Problem getting file size" ); |
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| 200 | |
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| 201 | // Always open in binary mode |
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| 202 | std::ifstream *origStream = new std::ifstream(); |
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| 203 | origStream->open(full_path.c_str(), std::ios::in | std::ios::binary); |
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| 204 | |
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| 205 | // Should check ensure open succeeded, in case fail for some reason. |
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| 206 | if (origStream->fail()) |
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| 207 | { |
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| 208 | delete origStream; |
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| 209 | OGRE_EXCEPT(Exception::ERR_FILE_NOT_FOUND, |
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| 210 | "Cannot open file: " + filename, |
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| 211 | "FileSystemArchive::open"); |
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| 212 | } |
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| 213 | |
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| 214 | /// Construct return stream, tell it to delete on destroy |
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| 215 | FileStreamDataStream* stream = new FileStreamDataStream(filename, |
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| 216 | origStream, tagStat.st_size, true); |
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| 217 | return DataStreamPtr(stream); |
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| 218 | } |
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| 219 | //----------------------------------------------------------------------- |
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| 220 | StringVectorPtr FileSystemArchive::list(bool recursive, bool dirs) |
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| 221 | { |
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| 222 | // directory change requires locking due to saved returns |
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| 223 | StringVectorPtr ret(new StringVector()); |
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| 224 | |
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| 225 | findFiles("*", recursive, dirs, ret.getPointer(), 0); |
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| 226 | |
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| 227 | return ret; |
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| 228 | } |
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| 229 | //----------------------------------------------------------------------- |
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| 230 | FileInfoListPtr FileSystemArchive::listFileInfo(bool recursive, bool dirs) |
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| 231 | { |
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| 232 | FileInfoListPtr ret(new FileInfoList()); |
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| 233 | |
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| 234 | findFiles("*", recursive, dirs, 0, ret.getPointer()); |
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| 235 | |
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| 236 | return ret; |
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| 237 | } |
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| 238 | //----------------------------------------------------------------------- |
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| 239 | StringVectorPtr FileSystemArchive::find(const String& pattern, |
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| 240 | bool recursive, bool dirs) |
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| 241 | { |
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| 242 | StringVectorPtr ret(new StringVector()); |
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| 243 | |
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| 244 | findFiles(pattern, recursive, dirs, ret.getPointer(), 0); |
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| 245 | |
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| 246 | return ret; |
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| 247 | |
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| 248 | } |
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| 249 | //----------------------------------------------------------------------- |
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| 250 | FileInfoListPtr FileSystemArchive::findFileInfo(const String& pattern, |
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| 251 | bool recursive, bool dirs) |
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| 252 | { |
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| 253 | FileInfoListPtr ret(new FileInfoList()); |
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| 254 | |
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| 255 | findFiles(pattern, recursive, dirs, 0, ret.getPointer()); |
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| 256 | |
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| 257 | return ret; |
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| 258 | } |
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| 259 | //----------------------------------------------------------------------- |
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| 260 | bool FileSystemArchive::exists(const String& filename) |
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| 261 | { |
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| 262 | String full_path = concatenate_path(mName, filename); |
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| 263 | |
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| 264 | struct stat tagStat; |
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| 265 | bool ret = (stat(full_path.c_str(), &tagStat) == 0); |
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| 266 | |
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| 267 | return ret; |
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| 268 | } |
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| 269 | //----------------------------------------------------------------------- |
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| 270 | const String& FileSystemArchiveFactory::getType(void) const |
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| 271 | { |
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| 272 | static String name = "FileSystem"; |
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| 273 | return name; |
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| 274 | } |
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| 275 | |
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| 276 | } |
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